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【单选题】
听力原文：W: Are you still teaching at the high school? M: Not since June．My brother and I went into business together as soon as he got out of the army. Q: What is the man doing now? (15)A.
He is studying at a high school.
B.
He is teaching at a high school.
C.
He is doing business with his brother.
D.
He and his brother are serving in the army.
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【简答题】设 ,函数 在 上连续,在 内可导,试证在 内至少存在一点 ,使 成立.
【单选题】__________ room is clean and tidy. [ ]
A.
Lily's and Lucy's
B.
Lucy and Lily
C.
Lucy's and Lily
D.
Lucy and Lily's
【单选题】-- Is this room __________? -- Yes, it's __________. [ ]
A.
Lily and Lucy; their
B.
Lily's and Lucy's; theirs
C.
Lily and Lucy's; theirs
D.
Lily's and Lucy's; their
【判断题】设 ,函数 在 上连续,在 内可导,试证在 内至少存在一点 ,使 . 证明 设 ,由题设知, 与 在 上满足柯西中值定理的条件。由柯西中值定理可知,在 内至少存在一点 ,使 ,即 ,亦即 . 证明过程是否正确?
A.
正确
B.
错误
【单选题】—Whose room is over there? —_______. [ ]
A.
Lily's and Lucy's
B.
Lily and Lucy
C.
Lily and Lucy's
D.
Lily's and Lucy
【简答题】设函数 在 上连续,在 内可导,且 ,试证:至少存在一点 使得 .
【多选题】Why the intestinal tract is the major site for drug absorption
A.
the largeness of absorption area of intestinal mucous membrane
B.
rapid intestinal motility
C.
ample intestinal fluid
D.
abundant blood flow
【简答题】肠瘘(intestinal fitula)
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